16750989 divided by 397 
The aim is to understand the frequency of 397 in 16750989.

Step 1:
The number 397 fits into 1 0 times, leaving a remainder of 1.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 1 and we're left with 1.
Bring next digit (6) of the dividend behind the 1 and repeat the process: 16 / 397

Step 2:
16 divided by 397 is 0 with a remainder of 16.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 16 leaves us with 16.
Fetch the next digit (7) from the dividend, attach it to 16 and continue: 167 / 397

Moving on to step 3:
167 divided by 397 is 0 with a remainder of 167.
The next digit of our result is 0. 
Result so far: 0.0
Deduct 0 from 167 and we're left with 167.
Bring next digit (5) of the dividend behind the 167 and repeat the process: 1675 / 397

Going ahead to step 4:
397 goes into 1675 4 times with a remainder of 87.
Write down 4 as next digit of the result. 
Result so far: 4.0
Deduct 1588 from 1675 and we're left with 87.
Take the next digit (0) from the dividend and append it to 87, then repeat: 870 / 397

Step 5:
If we divide 870 by 397, we get 2 and a remainder of 76.
Put 2 as the next digit of the answer. 
Result so far: 42.0
Deduct 794 from 870 and we're left with 76.
Grab the next digit (9) from the dividend, add it to 76, then carry on: 769 / 397

Step 6:
769 divided by 397 is 1 with a remainder of 372.
Write down 1 as next digit of the result. 
Result so far: 421.0
Subtracting 397 from 769 leaves us with 372.
Include the next digit (8) from the dividend after 372, then repeat: 3728 / 397

On to step 7:
397 goes into 3728 9 times with a remainder of 155.
The next digit of our result is 9. 
Result so far: 4219.0
If we take 3573 away from 3728, we end up with 155.
Include the next digit (9) from the dividend after 155, then repeat: 1559 / 397

Let's proceed to step 8:
397 goes into 1559 3 times with a remainder of 368.
Write down 3 as next digit of the result. 
Result so far: 42193.0
If we subtract 1191 from 1559, we get 368.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3680, and continue the process.

Let's proceed to step 9:
The number 397 fits into 3680 9 times, leaving a remainder of 107.
The next digit of our result is 9. 
Result so far: 42193.9
If we take 3573 away from 3680, we end up with 107.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1070, and continue the process.

On to step 10:
If we divide 1070 by 397, we get 2 and a remainder of 276.
Use 2 as the next digit of our solution. 
Result so far: 42193.92
Subtract 794 from 1070 to get 276.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2760, and continue the process.

On to step 11:
397 goes into 2760 6 times with a remainder of 378.
The next digit of our result is 6. 
Result so far: 42193.926
Subtracting 2382 from 2760 leaves us with 378.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3780, and continue the process.

Moving on to step 12:
The number 397 fits into 3780 9 times, leaving a remainder of 207.
The next digit of our result is 9. 
Result so far: 42193.9269
If we take 3573 away from 3780, we end up with 207.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2070, and continue the process.

Let's proceed to step 13:
397 can be fit into 2070 5 times, resulting in a remainder of 85.
Put 5 as the next digit of the answer. 
Result so far: 42193.92695
Subtracting 1985 from 2070 leaves us with 85.
Since there are no more digits in the dividend, we add a zero to the remainder making it 850, and continue the process.

Step 14:
397 can be fit into 850 2 times, resulting in a remainder of 56.
Record the quotient 2 as the next digit in the result. 
Result so far: 42193.926952
The remainder is 56 after subtracting 794 from 850.
Since there are no more digits in the dividend, we add a zero to the remainder making it 560, and continue the process.

Let's proceed to step 15:
When dividing 560 by 397, we get 1 with a remainder of 163.
Write down 1 as next digit of the result. 
Result so far: 42193.9269521
Subtracting 397 from 560 leaves us with 163.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1630, and continue the process.

Moving on to step 16:
1630 divided by 397 is 4 with a remainder of 42.
The number 4 becomes the next digit in our result. 
Result so far: 42193.92695214
Subtract 1588 from 1630 to get 42.
Since there are no more digits in the dividend, we add a zero to the remainder making it 420, and continue the process.

Our division results in 42193.92695214 with a remaining 4.2e-08.